Agile Development to Support State Assessment Analyses

Intern Update #1

Brian Harrold and Erik Whitfield
June 20, 2025

Project Overview

Brian Harrold and Erik Whitfield

Goal

Workflow

  • R and R Studio
  • GitHub
  • Quarto

cohortED package

Brian Harrold

Focus of the Package

  • Cohort Analysis for Educational Research
    • Demographics
    • Student Mobility
    • Longitudinal Analysis (Cohort-Tracking)
    • Cross-Sectional Analysis (Cohort-Comparing)

Vocabulary

  • Classifications: Leave, Join, Stay
  • From Cohort Analysis: Churn

Ideal Dataset

  • Longitudinal Student-Level Data
    • Example: sgpData_Long from SGPdata package
    • Requires: Grade Level and Academic Year
    • Optional Demographics, Subgroups, Performance, School/District, etc.

Enabling the Ideal

  • Helper Functions
    • make_achievement_levels(), make_proficiency_levels()
    • make_mobility(), make_first_entered()
    • standardize_grade()

Visualizing

  • Plotting Functions
    • plot_distribution_mobility()
    • plot_alluvial_mobility()
    • plot_cohort2_proficiency()

Analyzing

  • Analysis Functions

Persistent Challenges

  • Flexible Arguments
  • Cohesive Functionality
  • Data Limitations
  • Dynamic Reporting

Resources